Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o Pro Year(s), quando a equipe é Cincinnati Royals?
 ###Tabelas: CREATE TABLE episode_ratings (episode_ratings_id AUTO_INCREMENT PRIMARY KEY, Episode No. VARCHAR, Airdate VARCHAR, Time VARCHAR, Ratings (5 capital cities) INT, Timeslot rank VARCHAR, Overall nightly rank VARCHAR) CREATE TABLE players_in_the_nba (players_in_the_nba_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, WSU Year(s) VARCHAR, Position VARCHAR, Team VARCHAR, Pro Year(s) VARCHAR) CREATE TABLE season_to_season (season_to_season_id AUTO_INCREMENT PRIMARY KEY, Season INT, Level VARCHAR, Division VARCHAR, Administration VARCHAR, Position VARCHAR) CREATE TABLE special_stages (special_stages_id AUTO_INCREMENT PRIMARY KEY, Day VARCHAR, Stage VARCHAR, Time (CET) VARCHAR, Name VARCHAR, Length VARCHAR, Winner VARCHAR, Time VARCHAR, Avg. spd. VARCHAR, Rally leader VARCHAR) CREATE TABLE populations (populations_id AUTO_INCREMENT PRIMARY KEY, Country VARCHAR, Orphans as % of all Children INT, AIDS Orphans as % of Orphans INT, Total Orphans (Total) INT, Total Orphans (AIDS Related) VARCHAR, Maternal (Total) INT, Maternal (AIDS Related) VARCHAR, Paternal (Total) INT, Paternal (AIDS Related) VARCHAR, Double (Total) INT, Double (AIDS Related) VARCHAR)  
SELECT Pro Year(s) FROM players_in_the_nba WHERE Team = cincinnati royals